Math questions and answers

 Some Math questions are provided below. Please go through all Math questions and answers for better understanding in subject (numbers).Top ten math questions are given below with its answers. Practice all and do better in your exam.

   

Math questions and Answers

Question 1.

Write the following numbers in numerals-

Solution:

(1) sixty seven lakh fifty four thousand three hundred and eighty nine = 6754389.

(2) ninety three thousand four hundred and twenty eight = 93428

(3) Four crore fifty eight lakh seventy two thousand and ninety three = 45872093

 

Question 2.

Write the following numbers in expanded form-

Solution:

(1) 32456 = 30000 + 2000 + 400 +50+6

(2) 123766 = 100000 + 20000 +3000 +700 + 60 + 6

(3) 94567201= 90000000 + 4000000 + 500000 + 60000 +7000 + 200 + 1

 

Question 3.

Read the numbers given below and write them in words-

Solution:

(1(1) 637895 – Six lakh thirty seven thousand eight hundred and ninety five.

(2) 23685456 – Two crore thirty six lakh eighty five thousand four hundred and fifty six

    (3) 768432- Seven lakh sixty eight thousand four hundred and thirty two.

   (4) 5690832- fifty six lakh ninety thousand eight hundred and thirty two.

(5) 713429856 ​​- Seventy one crore thirty four lakh twenty nine thousand eight hundred and fifty six.

 

Question 4.

Write the largest and smallest nine digit numbers using the digits 1,0,9,8,7,4,5,6,3

Solution:

(1)Required largest nine digit number = 987654310

(2)Required smallest nine digit number = 103456789

 

Question 5.

Which number is the odd one –

(1) 6543

(2) 6352

(3) 6586

(4) 9862

Solution:

(1) 6543 is an odd number.

 

 

Question 6.

 Make the largest and smallest eight digit numbers without repetition of the digits   9,8,7,6,5,4,3,2

Solution:

Required largest eight digit number = 98765432

Required smallest eight digit number = 23456789

 

Question 7.

Write the largest and smallest seven digit numbers using the numbers given below-

(1) 4, 0, 5, 9, 8, 7, 3

(2) 2, 9, 8, 4, 6, 3, 7

Solution:

(1) Required greatest seven digit number = 9875430

Required smallest seven  digit number = 3045789

(2) Required greatest number of seven digits = 9876432

Required smallest seven digit number = 2346789

 

 

Question 8.

What is the place value of 6 in the following numbers?

Solution:

Place value of 6 in 876432 = 6 × 1000 = 6000

Place value of 6 in 93621 = 6 × 100 = 600

Place value of 6 in 7698231 = 6 × 100000 = 600000

Place value of 6 in 56370 = 6 × 1000 = 6000

Place value of 6 in 650810 = 6× 100000 = 600000

 

 

 

Question 9.

What is the place value of 7 in the following numbers?

 

Solution:

(a) Place value of first 7 in 7654876 = 7 × 1000000 = 7000000

(b) Place value of 7 in 10875639 = 7 × 10000= 70000

(c) Place value of 7 in 59782934 = 7 × 100000 = 700000

 

Question 10.

Express the numeral, 85936702 in the expanded form, showing each digit with its place value.

 

Solution:

85936702=(2*10⁰)+(0*10¹)+(7*10²)+(6*10³)+(3*10⁴)+(9*10⁵)+(5*10⁶)+(8*10⁷)

 

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